Knee brace shell



FIG. 1 is a top perspective view of a knee brace shell showing my design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom end perspective view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a top end perspective view thereof. 

The ornamental design for a knee brace shell, as shown. 